Finding the Fourth Proportional to 1,976,588.08, 2,727,984.12 and 1,251,503.08
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Solution
The fourth proportional to 1,976,588.08, 2,727,984.12 and 1,251,503.08 is: 1,727,259.49
Step by Step Solution
- Step 1: Write the proportion equation
1,976,588.08 : 2,727,984.12 = 1,251,503.08 : x - Step 2: Convert to fraction form
1,976,588.08/2,727,984.12 = 1,251,503.08/x - Step 3: Cross multiply
1,976,588.08x = 2,727,984.12 × 1,251,503.08 - Step 4: Simplify right side
1,976,588.08x = 3,414,080,528,371.09 - Step 5: Solve for x
x = 3,414,080,528,371.09/1,976,588.08 - Step 6: Final answer
x = 1,727,259.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.